An unmanned cargo ship loaded with tons of supplies successfully docked at the international space station (ISS) May 1 despite a last-minute failure that forced a Russian cosmonaut to take control and guide the robotic freighter in manually.rnRussian space station commander Oleg Kotov took manual control of the automated Progress cargo ship while it hovered about 1,000 meters away from the orbiting lab with 2.4 tons of supplies onboard.
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